1) is it possible to get a gzip.sql and if so what do I change?
Not directly, no. Chain it with the gzip command:
Code:
mysqldump --allow-keywords --opt -u<username> -p<pass> <user_dbname>|gzip > /path/to/dump/to/<name of file>.sql.gz
2) what does --allow-keywords --opt mean?
Read the manpages 

Originally Posted by
mysqldump(1)
Code:
--opt
This option is shorthand; it is the same as specifying
--add-drop-table --add-locks --create-options --disable-keys
--extended-insert --lock-tables --quick --set-charset. It should
give you a fast dump operation and produce a dump file that can be
reloaded into a MySQL server quickly.
Code:
--allow-keywords
Allow creation of column names that are keywords. This works by
prefixing each column name with the table name.
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